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Bosnia and Herzegovina
1 Level
731 Review
62 Karma

Review on Dorman 419 125 Automatic Belt Tensioner by Jacob Sriubas

Revainrating 5 out of 5

2010 Chevy Colorado I5

My engine was rattling on cold starts. Gone after a few minutes but drove me crazy. I followed it to the tensioner. This Dorman device snapped right into place and worked well. This rattle has been improved by 75%. I went back and replaced the idler pulley and belt. This fixed the problem. When you order this tensioner make sure you finish the job and also make the tensioner pulley and belt. You've already taken it apart, don't mess around and do it twice like me. your ankles with gratitude.

Pros
  • Belts, Hoses & Pulleys
Cons
  • Lot